<script lang="ts" name="TopCategory" setup>
import useStore from '@/store';
import { storeToRefs } from 'pinia';
import { ref, watch, watchEffect } from 'vue';
import GoodsItem from './components/goods-item.vue'
// useRoute 某个路由的信息 路径, 参数..
// useRouter 进行路由的跳转...
import { useRoute } from 'vue-router'
const route = useRoute()
const { category, home } = useStore()

// 监听数据变化- 路由切换
// watch(() => route.params.id, (value) => {
//   // console.log('路由分类的id', value); // 路由的id
//   // 获取的是一级分类
//   // 判断: 只有是一级分类的时候, 才会去发送这个请求
//   if (route.fullPath === `/category/${value}`) {
//     category.getTopCategory(value as string)
//   }
// }, {
//   immediate: true  // 一进入页面就执行一次
// })

// const money =  ref(10)
// watch(money, () => {
//   console.log('修改后的价格为:', money.value);
// })

// watchEffect: 一进入页面就会执行一次
// watchEffect(() => {
//   console.log(money.value); 
// })

watchEffect(() => {
  // 内部用到什么数据, 就会监视什么数据
  const value = route.params.id as string
  console.log(value);
  // 判断: 只有是一级分类的时候, 才会去发送这个请求
  if (route.fullPath === `/category/${value}`) {
    category.getTopCategory(value as string)
  }
})

home.getBannerList()

const { topBreadCategory } = storeToRefs(category)

</script>
<template>
  <div class="top-category">
    <div class="container">
      <!-- 面包屑导航 -->
      <XtxBread>
        <XtxBreadItem to="/">首页</XtxBreadItem>
        <XtxBreadItem>{{ category.topBreadCategory.name }}</XtxBreadItem>
      </XtxBread>
      <!-- 轮播图 -->
      <XtxCarousel :slides="home.bannerList" auto-play style="height: 500px"></XtxCarousel>
      <!-- 所有二级分类 -->
      <div class="sub-list">
        <h3>全部分类</h3>
        <ul>
          <li v-for="item in  category.topBreadCategory.children" :key="item.id">
            <a href="javascript:;">
              <img v-lazy="item.picture">
              <p>{{ item.name }}</p>
            </a>
          </li>
        </ul>
      </div>
      <!-- 分类关联商品 -->
      <div class="ref-goods" v-for="item in category.topBreadCategory.children" :key="item.id">
        <div class="head">
          <h3>- {{ item.name }} -</h3>
          <p class="tag">温暖柔软，品质之选</p>
          <XtxMore />
        </div>
        <div class="body">
          <GoodsItem v-for="goods in item.goods" :key="goods.id" :goods="goods" />
        </div>
      </div>
    </div>
  </div>
</template>
<style scoped lang="less">
.top-category {
  h3 {
    font-size: 28px;
    color: #666;
    font-weight: normal;
    text-align: center;
    line-height: 100px;
  }

  .sub-list {
    margin-top: 20px;
    background-color: #fff;

    ul {
      display: flex;
      padding: 0 32px;
      flex-wrap: wrap;

      li {
        width: 168px;
        height: 160px;

        a {
          text-align: center;
          display: block;
          font-size: 16px;

          img {
            width: 100px;
            height: 100px;
          }

          p {
            line-height: 40px;
          }

          &:hover {
            color: @xtxColor;
          }
        }
      }
    }
  }
}

.ref-goods {
  background-color: #fff;
  margin-top: 20px;
  position: relative;

  .head {
    .xtx-more {
      position: absolute;
      top: 20px;
      right: 20px;
    }

    .tag {
      text-align: center;
      color: #999;
      font-size: 20px;
      position: relative;
      top: -20px;
    }
  }

  .body {
    display: flex;
    justify-content: flex-start;
    flex-wrap: wrap;
    padding: 0 65px 30px;
  }
}
</style>